我有一个聊天应用程序的问题,我需要能够向特定用户发送私人消息,我能够选择该特定用户,但是由于某种原因无法弄清如何发送私人消息。
以下是我的服务器代码,请帮忙:
以下是我的服务器代码,请帮忙:
var express = require('express');
var app = express();
var PORT = process.env.PORT || 8000;
var http = require('http').Server(app); // this is a node server that uses express as the boiler plate
var io = require('socket.io')(http); // socket! pass our server as a parameter to it
// use express static to expose a folder
app.use(express.static(__dirname + '/public'));
var users = [],
connections = [];
var onlineClients = {};
// Register events on socket connection
io.on('connection', function(socket){
connections.push(socket);
// console.log("connected socket", connections);
socket.on("disconnect", function() {
users.splice(users.indexOf(socket.username), 1);
updateUsernames();
connections.splice(connections.indexOf(socket), 1);
console.log("disconnected socket", connections.length)
});
socket.on("send message", function(data) {
// console.log(data);
io.emit("new message", {msg: data, user: socket.username});
});
socket.on("notify user", function(data) {
io.emit("notify user", {user: socket.username})
});
socket.on("new user", function(data) {
socket.username = data;
users.push(socket.username);
updateUsernames();
});
function updateUsernames() {
io.emit("get users", users);
};
socket.on("private", function(data, recipientName) {
var recipient = connections.filter(function (recipient) {
return recipient.username === recipientName;
})[0];
console.log(recipient.id);
console.log(data);
io.sockets.socket(recipient.id).emit("received private msg", data);
});
// socket.on("create room", function(room) {
// socket.join(room);
// io.sockets.in(room).emit('event', "hey wusup am in this room");
// console.log(socket);
// })
});
http.listen(PORT, function(){
console.log('Server started on port ' + PORT);
});